﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;

namespace Banmaytinh.Demo
{
    public partial class demo : System.Web.UI.Page
    {

        protected string a = "hello";
        protected string b = "Hanh";
        protected void Page_Load(object sender, EventArgs e)
        {
            
        }

        protected void btnTinh_Click(object sender, EventArgs e)
        {
            lbltong.Text = a + b;
            
        }
    }
}